Company Advantages1. Owing to its elegant look and sturdy design, these sets are highly in demand amongst our customers.
2. Dms Seals Technology Co.,limited works hard to make the quality and performance of rod seals products more in line with the needs of customers. DMS Seals' production equipment and test equipment are on the leading level in the industry
3. Our offered 
hydraulic rod seals are easy to install and exclusively demanded across the nation. DMS Seal manufacturer is a technology enterprise which specialized in the R&D and production of seals
Installation Recommendation
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Application and properties
The standard combination seal is suitable for a wide range of pressure work and sliding high speed occasions. Low friction, strong wear resistance.
Sealing ring: filled PTFE
O-ring: NBR / FKM
Working Conditions
| Working  Conditions | 
| Diameter Range | Pressure Range | Temperature Range | Speed | Medium | 
| 6-1600mm | 0-35MPa | -30℃ +200℃ | 1.5 m/s | general hydraulic oil, water glycol Hydraulic oil and water emulsion type hydraulic oil. | 
Installation Dimensions
| Nominal Size    of Packing, and Housing dimensions | Order No. | 
| d | D | H | L +0.2 | 
| 1820
 22
 | 2729
 31
 | 4.34.3
 4.3
 | 4.54.5
 4.5
 | SPN18*27*4.3SPN20*29*4.3
 SPN22*31*4.3
 | 
| 2731.5
 47
 | 3640.5
 60
 | 4.34.3
 7.3
 | 4.54.5
 7.5
 | SPN27*36*4.3SPN31.5*40.5*4.3
 SPN47*60*7.3
 | 
| 5360
 65
 | 6673
 78
 | 7.37.3
 7.3
 | 7.57.5
 7.5
 | SPN53*66*7.3SPN60*73*7.3
 SPN65*78*7.3
 | 
| 7075
 80
 | 8388
 93
 | 7.37.3
 7.3
 | 7.57.5
 7.5
 | SPN70*83*7.3SPN75*88*7.3
 SPN80*93*7.3
 | 
| 90100
 110
 | 103.4113.4
 123.4
 | 7.37.3
 7.3
 | 7.57.5
 7.5
 | SPN90*103.4*7.3SPN100*113.4*7.3
 SPN110*123.4*7.3
 | 
| 120130
 140
 | 133.4143.4
 153.4
 | 7.37.3
 7.3
 | 7.57.5
 7.5
 | SPN120*133.4*7.3SPN130*143.4*7.3
 SPN140*153.4*7.3
 | 
 Dms Seals Technology Co.,limited gathers industry elites to produce the best rod seals. - Our professional technician strictly operate machines to ensure its normal operation and produce high quality hydraulic rod seals.
2.  To meet customer's requirements, DMS Seal Manufacturer always keeps the innovative technology to produce O Ring Manufacturers.
3.  Dms Seals Technology Co.,limited boasts its advanced production technology. - We can customize solutions to making o-ring seal for your own hydraulic rod seals use. Inquire now!